Trison Overseas LLP
Stainless Steel Grade

Duplex 2205 Steel Grade Specifications

Duplex 2205 is a nitrogen-enhanced duplex stainless steel designed to combat common corrosion problems encountered with the 300 series stainless steels. It features a dual-phase structure (austenite and ferrite) that provides twice the strength of standard austenitic grades.

Key Advantages & Characteristics

✓High resistance to chloride stress corrosion cracking
✓Excellent pitting and crevice corrosion resistance
✓High mechanical strength (approx. double of SS 316)
✓Low thermal expansion and high thermal conductivity

Chemical Composition

Technical Specifications

Carbon (C)
0.03% max
Manganese (Mn)
2.00% max
Silicon (Si)
1.00% max
Chromium (Cr)
22.00 - 23.00%
Nickel (Ni)
4.50 - 6.50%
Molybdenum (Mo)
3.00 - 3.50%
Nitrogen (N)
0.14 - 0.20%

Mechanical Properties

Technical Specifications

Tensile Strength (MPa)
655 min
Yield Strength 0.2% (MPa)
450 min
Elongation (%)
25 min
Hardness (HB)
293 max

Available Product Forms in Duplex 2205

We stock and supply a comprehensive range of Duplex 2205 structural steel, piping systems, and mechanical components globally.

Duplex 2205 Pipe

Industrial seamless and welded pipes manufactured to handle severe pressures, fluid flow, and chemical environments. Available in various wall schedules, lengths, and end configurations.

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Duplex 2205 Tube

Precision instrumentation, heat exchanger, and condenser tubes built for precise dimensional tolerances and structural thermal performance. Features clean finishes and high concentricity.

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Duplex 2205 Sheet

Premium hot rolled (HR) and cold rolled (CR) steel sheets. Offered in a wide variety of finishes including mirror, hairline, matte, and chequered, matching stringent architectural or industrial needs.

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Duplex 2205 Plate

Heavy duty thick plate materials engineered for pressure vessel shells, boilers, structural frames, and severe wear environments. Certified to handle high pressure loads and extreme conditions.

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Duplex 2205 Coil

Sturdy, long strip steel coils in HR (hot rolled) and CR (cold rolled) conditions, optimized for stampings, profile drawings, tube rollings, and slitting distributions.

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Duplex 2205 Round Bar

Bright and black round bars offering excellent dimensional accuracy, tensile strength, and machinability. Designed for shafts, bolts, gears, and high stress mechanical components.

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Duplex 2205 Rod

Industrial rod materials and wire rods with reliable mechanical strength, ductile qualities, and chemical uniformity for drawing, forging, and structural operations.

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Duplex 2205 Wire

Premium metal wires in spool and coil forms, ranging in diameters from fine sizes to heavy wire. Highly uniform, corrosion resistant, and resilient for drawing and weave projects.

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Duplex 2205 Pipe Fitting

Premium butt-weld and forged pipe fittings including elbows, tees, reducers, unions, and couplings. Precision engineered to form secure, leak-proof transitions in industrial piping systems.

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Duplex 2205 Flange

Heavy forged flanges including Slip-On, Blind, Weld Neck, Socket Weld, and Threaded configurations. Designed to connect pipes, valves, pumps, and other equipment with secure sealing.

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Duplex 2205 Fastener

Enterprise grade bolts, studs, heavy hex nuts, washers, and threaded rods. Built to withstand high torque, extreme vibrations, heat, and chemical corrosion in critical joints.

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Duplex 2205 Wire Mesh

Industrial woven and welded wire mesh screens, optimized for chemical filtering, agricultural separations, architectural screens, and safety barriers.

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Duplex 2205 Angle

L-shaped structural angles offering high torsional stability, uniform dimensions, and high load capacity for structural framing, brackets, and construction.

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Duplex 2205 Channel

C-shaped structural channels providing outstanding bending stiffness, load capacity, and durability for columns, support structures, and industrial machinery bases.

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Duplex 2205 Beam

Heavy structural H-beams and I-beams built to sustain large vertical loads and spans in industrial buildings, bridges, and infrastructure projects.

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